The two enemies of human happiness are pain and boredom. – Arthur Schopenhauer
Nature shows that with the growth of intelligence comes increased capacity for pain, and it is only with the highest degree of intelligence that suffering reaches its supreme point. – Arthur Schopenhauer
Money is human happiness in the abstract he, then, who is no longer capable of enjoying human happiness in the concrete devotes himself utterly to money. – Arthur Schopenhauer
Every possession and every happiness is but lent by chance for an uncertain time, and may therefore be demanded back the next hour. – Arthur Schopenhauer